<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org" lang="en">
<head th:replace="_header::header('页面未找到')">
<body>
<nav th:replace="_navbar::navbar"></nav>
<div class="container">
    <h1>您要找的页面不存在</h1>
    <img th:src="@{/static/images/404.png}" th:alt-title="404">
</div>

<div th:replace="_footer::footer('haha')"></div>

</body>
</html>